Differential D7587 Diff 23839 src/secp256k1/src/scalar.h

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src/secp256k1/src/scalar.h

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	/** Set a scalar from a big endian byte array. The scalar will be reduced modulo group order `n`.			/** Set a scalar from a big endian byte array. The scalar will be reduced modulo group order `n`.
	* In: bin: pointer to a 32-byte array.			* In: bin: pointer to a 32-byte array.
	* Out: r: scalar to be set.			* Out: r: scalar to be set.
	* overflow: non-zero if the scalar was bigger or equal to `n` before reduction, zero otherwise (can be NULL).			* overflow: non-zero if the scalar was bigger or equal to `n` before reduction, zero otherwise (can be NULL).
	*/			*/
	static void secp256k1_scalar_set_b32(secp256k1_scalar r, const unsigned char bin, int *overflow);			static void secp256k1_scalar_set_b32(secp256k1_scalar r, const unsigned char bin, int *overflow);

				/** Set a scalar from a big endian byte array and returns 1 if it is a valid
				* seckey and 0 otherwise. */
				static int secp256k1_scalar_set_b32_seckey(secp256k1_scalar r, const unsigned char bin);

	/** Set a scalar to an unsigned integer. */			/** Set a scalar to an unsigned integer. */
	static void secp256k1_scalar_set_int(secp256k1_scalar *r, unsigned int v);			static void secp256k1_scalar_set_int(secp256k1_scalar *r, unsigned int v);

	/** Convert a scalar to a byte array. */			/** Convert a scalar to a byte array. */
	static void secp256k1_scalar_get_b32(unsigned char bin, const secp256k1_scalar a);			static void secp256k1_scalar_get_b32(unsigned char bin, const secp256k1_scalar a);

	/** Add two scalars together (modulo the group order). Returns whether it overflowed. */			/** Add two scalars together (modulo the group order). Returns whether it overflowed. */
	static int secp256k1_scalar_add(secp256k1_scalar r, const secp256k1_scalar a, const secp256k1_scalar *b);			static int secp256k1_scalar_add(secp256k1_scalar r, const secp256k1_scalar a, const secp256k1_scalar *b);
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